(19)

(11)

EP 2 349 441 A1

(12)

(43) Date of publication: 03.08.2011 Bulletin 2011/31 (21) Application number: 09819985.4 (22) Date of filing: 09.10.2009

(51) International Patent Classification (IPC):  A61M 29/02(2006.01) (86) International application number: PCT/US2009/060239 (87) International publication number: WO 2010/042869 (15.04.2010 Gazette 2010/15)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR (30) Priority: 10.10.2008 US 104636 P 07.11.2008 US 112566 P 19.01.2009 US 145709 P (71) Applicant: Intervalve, Inc. Eden Prairie, MN 55344 (US)	(72) Inventors: DRASLER, William Minnetonka MN 55345 (US) PEDERSEN, Wes Minneapolis MN 55410 (US) UNGS, Mark Minnetonka MN 55345 (US) (74) Representative: KIPA  P O Box 1065 251 10 Helsingborg 251 10 Helsingborg (SE)